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Code Q&A 

Feb 11, 2006, By Mike Holt

Class and Division: Don't Break Rank on Your Next Installation 

Feb 1, 2006, By Mike Holt, NEC Consultant

What exactly is a Class I location? Can you define it, or better yet, easily identify it in the field? You have a Class I location any time enough flammable...

Illustrated Catastrophes 

Feb 1, 2006, By Joe Tedesco, NEC Columnist

As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...

Code Quandaries 

Feb 1, 2006, By Mike Holt, NEC Consultant

All questions and answers are based on the 2005 NEC. Q. Is GFCI protection required for a 15A or 20A, 125V receptacle that is located within 6 feet of...

Code Quiz 

Jan 25, 2006, By Steven Owen

Code Q&A 

Jan 25, 2006, By Mike Holt

Code Quiz 

Jan 10, 2006, By Steven Owen

Code Q&A 

Jan 10, 2006, By Mike Holt

What's Wrong Here? 

Jan 10, 2006, By Joe Tedesco

Hint: Sing along with me. One of these things, doesn’t belong here...

An Inside Look at Hazardous (Classified) Locations 

Jan 1, 2006, By Mike Holt, NEC Consultant

When you're looking for answers on hazardous (classified) location questions, where should you turn? Think of Articles 500 through 517 as a mini codebook...

Illustrated Catastrophes 

Jan 1, 2006, By Joe Tedesco, NEC Columnist

As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...

Code Quandaries 

Jan 1, 2006, By Mike Holt, NEC Consultant

Stumped by the Code?...

Code Quiz 

Dec 22, 2005, By Steven Owen

Code Q&A 

Dec 22, 2005, By Mike Holt

Code Quiz 

Dec 8, 2005, By Steven Owen

Code Q&A 

Dec 8, 2005, By Mike Holt

Beyond the 2005 NEC Changes: Art. 250 Grounding and Bonding 

Dec 1, 2005, By Steven Owen, National Code Seminars

The grounding and bonding requirements of the NEC might just be the least understood and most incorrectly interpreted section of the Code. In fact, some...

Grounding vs Bonding — Part 12 of 12 

Dec 1, 2005, By Mike Holt, NEC Consultant

All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at...

Code Quandaries 

Dec 1, 2005, By Mike Holt, NEC Consultant

Q. I was told there is a 30-day limit for extension cord use in a commercial building. What's the story? A. Extension cords cannot be used as a substitute...

Code Q&A 

Nov 18, 2005, By Mike Holt

Learn how HRG technology can mitigate and reduce the arc flash hazard; design considerations to remember when specifying and installing an HRG system. On-Demand Webinar - Sponsored by I-Gard

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